{"product_id":"aston-martin-convertible-roof-module-db9-dbs-v12-v8-repair-service-9g43l53085ae","title":"Aston Martin Convertible Top Roof Control Module DB9 DBS V12 V8 Rebuilding Service","description":"\u003cstyle\u003e\n  .ecum-v2-prod {\n    --ink: #161b22; --slate: #57606e; --line: #e4e7ec;\n    --wash: #f4f5f7; --dark: #0f1115; --accent: #f97316;\n    --accent-text: #c2410c; --btn-ink: #331303;\n    --orange-wash: #fff1e5; --orange-line: #fb923c;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n    color: var(--ink); max-width: 1040px; margin: 32px auto; padding: 0 4px;\n  }\n  .ecum-v2-prod .head { text-align: center; margin-bottom: 32px; }\n  .ecum-v2-prod .eyebrow {\n    display: inline-block; font-size: 12px; font-weight: 700;\n    letter-spacing: 0.14em; text-transform: uppercase;\n    color: var(--accent-text); margin: 0 0 12px;\n  }\n  .ecum-v2-prod .title {\n    font-size: clamp(24px, 4vw, 32px); font-weight: 750; 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overflow-x: auto; }\n  }\n  @media (max-width: 480px) {\n    .ecum-v2-prod { margin: 20px auto; }\n    .ecum-v2-prod .steps { grid-template-columns: 1fr; }\n    .ecum-v2-prod .spec-table th { width: 42%; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"ecum-v2-prod\"\u003e\n\u003c!-- HEADER --\u003e\u003cheader class=\"head\"\u003e\n\u003ch1 class=\"eyebrow\"\u003eConvertible Roof Module · Rebuild Service\u003c\/h1\u003e\n\u003ch1 class=\"title\"\u003eAston Martin Convertible Roof Control Module (CRM) — Professional Rebuild Service\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"sub\"\u003eSend us your original Webasto Edscha Convertible Roof Module and we rebuild it from the board level up — replacing the degraded microcontroller, performing a full solder reflow, and adding thermal management improvements. Your vehicle-specific calibration data is preserved throughout, so \u003cstrong\u003eno dealer AMDS reprogramming is required\u003c\/strong\u003e after installation. A true plug-and-play rebuild for the \u003cstrong\u003eDB9 Volante\u003c\/strong\u003e, \u003cstrong\u003eDBS Volante\u003c\/strong\u003e, \u003cstrong\u003eV8 Vantage Roadster\u003c\/strong\u003e, \u003cstrong\u003eV12 Vantage Roadster\u003c\/strong\u003e, and \u003cstrong\u003eVirage Volante\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/header\u003e\u003c!-- STRIP --\u003e\n\u003cdiv class=\"strip\"\u003e\n\u003cspan\u003e\u003cspan class=\"dot\"\u003e●\u003c\/span\u003eSend only your original module — no donor required\u003c\/span\u003e \u003cspan\u003e\u003cspan class=\"dot\"\u003e●\u003c\/span\u003e100% mail-in — serving all 50 states from Fort Myers, FL\u003c\/span\u003e \u003cspan\u003e\u003cspan class=\"dot\"\u003e●\u003c\/span\u003e6-month warranty on every rebuilt module\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT IS THIS SERVICE --\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cspan class=\"tag\"\u003eWhat is this service\u003c\/span\u003e\n\u003ch2\u003eA board-level rebuild that preserves your original coding\u003c\/h2\u003e\n\u003cp\u003eThe Convertible Roof Module (CRM) — also called the roof ECU, roof control module, or power hood module — is a Webasto Edscha electronic control unit that manages every step of the convertible roof sequence: tonneau latches, hydraulic pump, window drop, bow movement, and deck-lid operation. It communicates over the vehicle’s CANbus and coordinates all roof components in a precise, timed sequence.\u003c\/p\u003e\n\u003cp\u003eOver time, the internal microcontroller on the CRM board degrades due to heat cycling. The module sits in the rear wheel-arch area, exposed to extreme temperature swings, and thermal stress causes the microcontroller’s silicon to degrade and solder joints to crack. Our rebuild replaces the degraded microcontroller, clones your original Flash and EEPROM data onto the new chip, performs a full solder reflow, and upgrades the module’s thermal management so the same failure does not repeat.\u003c\/p\u003e\n\u003cp\u003eBecause we rebuild \u003cem\u003eyour original module\u003c\/em\u003e — not a donor or replacement unit — your vehicle-specific calibration data remains intact throughout the entire process. The rebuilt module installs plug-and-play. No AMDS dealer session, no key relearn, no additional scanning required.\u003c\/p\u003e\n\u003cdiv class=\"ship-note\"\u003e\n\u003ch4\u003e✓  Only your original module required\u003c\/h4\u003e\n\u003cp\u003eUnlike clone services that require you to source and ship a donor module, this service only needs the one original CRM from your vehicle. Ship it to us — even if it is non-functional — and we ship back a fully rebuilt, bench-tested, plug-and-play unit. \u003cstrong\u003eIf the module is original to your vehicle and has never been replaced, no additional steps are required after installation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- IMPORTANT: DIAGNOSIS FIRST --\u003e\n\u003cdiv class=\"panel-warn\"\u003e\n\u003cspan class=\"tag\"\u003e⚠  Diagnose Before You Send\u003c\/span\u003e\n\u003ch2\u003eCritical: Rule out these issues before sending your module\u003c\/h2\u003e\n\u003cp\u003eNot every Aston Martin roof failure is caused by the CRM. Several common, inexpensive faults produce symptoms identical to a failed CRM and are frequently misdiagnosed — even at main dealers. \u003cstrong\u003eWe strongly recommend having a qualified technician test and rule out all of the following before concluding the CRM has failed.\u003c\/strong\u003e Only once peripheral causes have been eliminated should you send the module.\u003c\/p\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e1 — Ambient Air Temperature Sensor (~$20–$30 part)\u003c\/h4\u003e\n\u003cp\u003eThe roof system is programmed to refuse operation at temperature extremes. If the ambient temperature sensor (behind the front grille, OEM part 7G3319E642-AB) fails or reads an implausible value — such as 85°C — the car enters a fail-safe and displays \u003cstrong\u003e“No Roof Operation Possible.”\u003c\/strong\u003e This tiny sensor also affects air conditioning and battery charging. It is always the first thing to check and the cheapest possible fix.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e2 — Window Module Calibration Loss (Free fix)\u003c\/h4\u003e\n\u003cp\u003eBefore the roof sequence begins, each door window must drop slightly to clear the roof frame. If the vehicle battery has been disconnected, gone flat, or been replaced, the window modules can lose their calibration and the roof will not operate. Fix: with the engine running, hold each window switch fully down for 5 seconds, then fully up for 5 seconds. This two-minute recalibration resolves many “roof dead after battery change” situations at zero cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e3 — Corroded Relays Under the Boot Fusebox\u003c\/h4\u003e\n\u003cp\u003eA double-relay base sits beneath the boot (trunk) fusebox in a location that collects standing water. Corrosion of these relays or their socket cuts power to the tonneau latch motors and prevents the roof sequence from completing. The relay hardware itself costs only a few dollars; the proper fix also relocates the relay base above the water line to prevent recurrence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e4 — Tonneau Latch Motor Water Ingress\u003c\/h4\u003e\n\u003cp\u003eThe latch motors that lock and unlock the convertible deck lid are housed in plastic enclosures that frequently fill with water running down the worm-drive cable. Corroded brushes cause intermittent or complete latch failure. Typical symptom: the roof pauses near the end of its cycle, the button must be pressed twice, or a \u003cstrong\u003e“Roof Movement Incomplete”\u003c\/strong\u003e message appears. Stripping and cleaning the motor, then drilling drain holes in the housing, is far cheaper than condemning the CRM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e5 — Hydraulic Pump \/ Motor Failure and Hose Leaks\u003c\/h4\u003e\n\u003cp\u003eThe 12V DC pump motor that drives the hydraulic roof mechanism can burn out, or hydraulic hoses can develop leaks that leave the system without sufficient pressure. These are purely mechanical failures, separate from the CRM entirely. Replacement pump motors on Vantage Roadster models do not require coding to the vehicle, so no AMDS visit is needed if the pump is the fault.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"diag-item\"\u003e\n\u003ch4\u003e6 — Tonneau Cover Microswitches\u003c\/h4\u003e\n\u003cp\u003eEach tonneau latch contains a small microswitch that signals to the CRM when the latch has reached its final position. A single open-circuit or high-resistance microswitch will cause the entire roof sequence to abort, because the CRM will not proceed without confirmation from every switch. A professional scan tool that can read body-network fault codes (not just generic OBD-II) can identify a microswitch fault in minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 18px; font-weight: 600; color: #9a3d10;\"\u003eA qualified Aston Martin specialist with access to the AMDS diagnostic tool — or a professional scan tool capable of reading body-network fault codes — can distinguish between \u003cstrong\u003einternal CRM faults\u003c\/strong\u003e (the module itself has failed) and \u003cstrong\u003eexternal circuit faults\u003c\/strong\u003e (a peripheral component). Internal faults cannot be cleared; external faults point to the components above. Only once the CRM is confirmed as the fault should you send it to us.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SYMPTOMS --\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cspan class=\"tag\"\u003eSymptoms\u003c\/span\u003e\n\u003ch2\u003eSigns your Aston Martin CRM has failed\u003c\/h2\u003e\n\u003cp\u003eThe CRM is notorious for triggering symptoms that appear completely unrelated to the roof. When it fails, it can flood the vehicle’s CANbus with spurious signals, disrupting entirely separate systems. Owners consistently describe “the dash lit up like a Christmas tree” with no obvious roof connection. If your vehicle shows any combination of the following, the CRM should be on your diagnostic shortlist:\u003c\/p\u003e\n\u003cul class=\"sym-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof will not open or close\u003c\/strong\u003e — complete failure or the roof stops mid-cycle and will not continue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e“No Roof Operation Possible” message\u003c\/strong\u003e — displayed in the instrument cluster or VCDS; roof lockout with no clear trigger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof only fails when hot\u003c\/strong\u003e — works after the car cools overnight but fails again on a warm day; classic sign of thermal microcontroller degradation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeedometer stops working\u003c\/strong\u003e — instrument cluster speed display goes dead with no drivetrain fault\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurn signals or indicators inoperative\u003c\/strong\u003e — stalk commands ignored or signals activate without input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eABS or SRS warning lights\u003c\/strong\u003e — multiple dashboard warnings illuminate simultaneously with no single mechanical cause\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-start condition\u003c\/strong\u003e — car will not crank; removing or disconnecting the CRM fuse restores starting immediately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParasitic battery drain\u003c\/strong\u003e — battery goes flat overnight; a failing CRM stays active on the CANbus after shutdown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ship-note\"\u003e\n\u003ch4\u003eⓘ  Confirming the CRM is the cause\u003c\/h4\u003e\n\u003cp\u003ePulling the CRM fuse, or temporarily removing the module, should restore all non-roof electrical functions immediately — speedometer, indicators, brake lights, and starting. If all other systems return when the module is removed, that is strong confirmation the CRM is flooding the CANbus. Confirm with a professional body-network scan before sending.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FAULT INDICATORS (DARK) --\u003e\n\u003cdiv class=\"panel panel-dark\"\u003e\n\u003cspan class=\"tag\"\u003eDiagnostics\u003c\/span\u003e\n\u003ch2\u003eFault indicators and dashboard messages associated with CRM failure\u003c\/h2\u003e\n\u003cdiv class=\"codes\"\u003e\n\u003cspan class=\"code-chip\"\u003eNo Roof Operation Possible\u003csmall\u003einstrument cluster \/ scan tool\u003c\/small\u003e\u003c\/span\u003e \u003cspan class=\"code-chip\"\u003eRoof Movement Incomplete\u003csmall\u003esequence aborted mid-cycle\u003c\/small\u003e\u003c\/span\u003e \u003cspan class=\"code-chip\"\u003eRoof Movement Paused\u003csmall\u003ebutton held or fault condition\u003c\/small\u003e\u003c\/span\u003e \u003cspan class=\"code-chip\"\u003eCANbus disruption codes\u003csmall\u003eCRM flooding the bus\u003c\/small\u003e\u003c\/span\u003e \u003cspan class=\"code-chip\"\u003eInternal CRM Fault\u003csmall\u003enon-clearable — module failure confirmed\u003c\/small\u003e\u003c\/span\u003e \u003cspan class=\"code-chip\"\u003eABS \/ SRS Warnings\u003csmall\u003esecondary to CANbus flood\u003c\/small\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"small\"\u003eAston Martin’s roof diagnostic framework distinguishes \u003cstrong\u003einternal faults\u003c\/strong\u003e — which originate inside the CRM itself and cannot be cleared with any scan tool — from \u003cstrong\u003eexternal faults\u003c\/strong\u003e — which originate in the peripheral circuits (latch motors, microswitches, hydraulic pump, window modules). Only internal, non-clearable faults confirm the CRM as the failed component. A generic OBD-II reader cannot access body-network codes on these vehicles; the AMDS tool or an equivalent professional system is required for a complete diagnostic read. Include your full fault report in your work order and we will review before anything ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FITMENT --\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cspan class=\"tag\"\u003eFitment\u003c\/span\u003e\n\u003ch2\u003eVehicle compatibility\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eService Type\u003c\/th\u003e\n\u003ctd\u003eBoard-level CRM rebuild — customer ships original module only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule Designation\u003c\/th\u003e\n\u003ctd\u003eWebasto Edscha Convertible Roof Module (CRM) — rear wheel-arch mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProgramming After Install\u003c\/th\u003e\n\u003ctd\u003eNone required — original calibration data preserved; plug-and-play installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTurnaround\u003c\/th\u003e\n\u003ctd\u003e3–4 business days on the bench + tracked return shipping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e6 months, confirmed in writing with your work order\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable style=\"margin-top: 20px;\" class=\"spec-table fitment-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 24%;\"\u003ePlatform\u003c\/th\u003e\n\u003cth style=\"width: 16%;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"width: 32%;\"\u003eModels \u0026amp; Trims\u003c\/th\u003e\n\u003cth style=\"width: 28%;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDB9 Volante\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2004–2016\u003c\/td\u003e\n\u003ctd\u003eDB9 Volante · DB9 GT Volante\u003cbr\u003e\u003cspan style=\"font-size: 12px; color: #8a919c;\"\u003eAll trim variants\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e5.9L \/ 6.0L V12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDBS Volante\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2010–2012\u003c\/td\u003e\n\u003ctd\u003eDBS Volante\u003cbr\u003e\u003cspan style=\"font-size: 12px; color: #8a919c;\"\u003eAll trim variants\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e6.0L V12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eV8 Vantage Roadster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2006–2017\u003c\/td\u003e\n\u003ctd\u003eV8 Vantage Roadster · V8 Vantage S Roadster\u003cbr\u003e\u003cspan style=\"font-size: 12px; color: #8a919c;\"\u003eManual \u0026amp; Sportshift variants\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4.3L \/ 4.7L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eV12 Vantage Roadster\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2010–2017\u003c\/td\u003e\n\u003ctd\u003eV12 Vantage Roadster · V12 Vantage S Roadster\u003cbr\u003e\u003cspan style=\"font-size: 12px; color: #8a919c;\"\u003eAll variants\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e6.0L V12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVirage Volante\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003ctd\u003eVirage Volante\u003cbr\u003e\u003cspan style=\"font-size: 12px; color: #8a919c;\"\u003eShares DB9 roof system\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e6.0L V12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"ship-note\"\u003e\n\u003ch4\u003eⓘ  Confirming your fitment\u003c\/h4\u003e\n\u003cp\u003eNot sure which part number is on your module? Include your 17-digit VIN and a clear photo of your module label when you submit your work order — we cross-reference fitment before any work begins. This service covers the \u003cstrong\u003eGaydon-era VH-platform\u003c\/strong\u003e convertibles listed above. The DB11 Volante (2017+), DBS Superleggera Volante, and 2025 Vantage Roadster use different roof architectures and are not covered by this service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- PART NUMBERS --\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cspan class=\"tag\"\u003ePart Numbers\u003c\/span\u003e\n\u003ch2\u003eCompatible OEM part numbers\u003c\/h2\u003e\n\u003cp\u003eMatch the number printed on your module label to the platform group below. Hyphens and spaces in part numbers are interchangeable — the base number is what matters.\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 30%;\"\u003eDB9 Volante \u0026amp; DBS Volante\u003cbr\u003e\u003cspan style=\"font-size: 10.5px; font-weight: 500; text-transform: none; letter-spacing: 0;\"\u003e(9G43 \/ 4G43 prefix)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd style=\"font-size: 12.5px; line-height: 2;\"\u003e9G43-L53085-AE  ·  9G43L53085AE\u003cbr\u003e9G43-L53085-AD  ·  9G43L53085AD\u003cbr\u003e9G43-L53085\u003cbr\u003e9G43-13B524-CC\u003cbr\u003e4G43-13B524-CB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eV8 \u0026amp; V12 Vantage Roadster\u003cbr\u003e\u003cspan style=\"font-size: 10.5px; font-weight: 500; text-transform: none; letter-spacing: 0;\"\u003e(6G33 prefix)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd style=\"font-size: 12.5px; line-height: 2;\"\u003e6G33-13B524-AB\u003cbr\u003e6G33-13B524-CH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVanquish Volante\u003cbr\u003e\u003cspan style=\"font-size: 10.5px; font-weight: 500; text-transform: none; letter-spacing: 0;\"\u003e(ED33 prefix)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd style=\"font-size: 12.5px; line-height: 2;\"\u003eED33-13B524-AA  ·  ED33-13B254-AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: var(--slate); margin-top: 12px; margin-bottom: 0;\"\u003ePart number suffixes (-AE, -AD, -AB, -CH, etc.) denote hardware and software revisions. Always match by VIN rather than suffix alone, as revision levels vary by production date. Not seeing your number? Send your VIN and a photo of both sides of your module label — we verify against the full parts catalog before work begins.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- PROCESS STEPS --\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cspan class=\"tag\"\u003eHow it works\u003c\/span\u003e\n\u003ch2\u003eOur CRM rebuild process — four simple steps\u003c\/h2\u003e\n\u003col class=\"steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmit a work order\u003c\/strong\u003e Provide your 17-digit VIN, the part number from your module label, and your symptoms or fault codes. We confirm fitment and service scope by email — same business day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShip your original module\u003c\/strong\u003e Package your CRM securely using a rigid box and bubble wrap, and ship it to our Fort Myers, FL facility using a tracked, insured service. Shipping instructions are sent with your work order confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuild, reflow \u0026amp; bench-test\u003c\/strong\u003e We replace the degraded microcontroller, clone your original calibration data onto the new chip, perform a full solder reflow, upgrade thermal management, and bench-test all electrical functions. Everything is documented.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack in 2–3 business days\u003c\/strong\u003e Your rebuilt, plug-and-play CRM ships back with tracked return, installation notes, and your 6-month warranty confirmed in writing. No dealer visit required after installation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c!-- CTA (DARK) --\u003e\n\u003cdiv class=\"panel panel-dark\"\u003e\n\u003cspan class=\"tag\"\u003eStart your service\u003c\/span\u003e\n\u003ch2\u003eSubmit a work order — we reply the same business day\u003c\/h2\u003e\n\u003cp\u003eTell us your VIN, the part number on your CRM label, and your symptoms or any fault codes you have pulled. We will confirm fitment, review your diagnostic information, and send step-by-step packaging and shipping instructions — all in one documented email thread.\u003c\/p\u003e\n\u003ca href=\"https:\/\/form.fillout.com\/t\/45M1Tvu4wqus\" class=\"cta\"\u003eSubmit a Work Order →\u003c\/a\u003e\n\u003cp class=\"small\"\u003eQuestions first? Email \u003ca style=\"font-size: 13px; color: #fb923c;\" href=\"mailto:support@ecumaverick.com\" class=\"email-link\"\u003esupport@ecumaverick.com\u003c\/a\u003e — Monday–Friday, 9:30 AM – 4:30 PM ET.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ --\u003e\n\u003cdiv class=\"panel faq\"\u003e\n\u003cspan class=\"tag\"\u003eFAQ\u003c\/span\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat exactly is the Aston Martin CRM rebuild service?\u003c\/h3\u003e\n\u003cp\u003eWe perform a board-level rebuild of your original Webasto Edscha Convertible Roof Module. This involves replacing the degraded internal microcontroller (cloning your vehicle-specific Flash and EEPROM data onto a new chip), performing a full solder reflow of all suspect joints, and upgrading the module’s thermal management. The result is a module that functions like new, with your original calibration data intact.\u003c\/p\u003e\n\u003ch3\u003eWhy does the Aston Martin Convertible Roof Module fail?\u003c\/h3\u003e\n\u003cp\u003eThe primary cause is thermal degradation of the module’s internal microcontroller. The CRM is mounted in the rear wheel-arch area and is exposed to repeated heat cycles. Over time, the microcontroller’s silicon degrades and solder joints develop micro-cracks from thermal fatigue. Our rebuild addresses the root cause by replacing the chip itself — not just reflowing the board — and adds improved thermal management so the same failure pattern does not repeat.\u003c\/p\u003e\n\u003ch3\u003eMy roof only fails on hot days or when the car sits in the sun. Is that the CRM?\u003c\/h3\u003e\n\u003cp\u003eThat is a strong indicator of CRM failure. Thermal degradation of the microcontroller almost always presents as intermittent failure in warm weather that resolves after the car cools overnight. That said, we still recommend ruling out the ambient temperature sensor first, since a faulty sensor can also trigger a temperature-based roof lockout for far less cost.\u003c\/p\u003e\n\u003ch3\u003eMy dashboard has ABS warnings, no speedometer, and the car won’t start. How is that a roof problem?\u003c\/h3\u003e\n\u003cp\u003eWhen the CRM fails, it can flood the vehicle’s CANbus with spurious signals that disrupt entirely unrelated systems — speedometer, indicators, ABS, brake lights, and even the starting circuit. This is one of the most misunderstood aspects of CRM failure. Temporarily removing the CRM fuse will typically restore all other functions immediately. If that happens, the CRM is confirmed as the source of the disruption.\u003c\/p\u003e\n\u003ch3\u003eDo I need dealer AMDS reprogramming after installing the rebuilt module?\u003c\/h3\u003e\n\u003cp\u003eNo. Because we rebuild your \u003cem\u003eoriginal\u003c\/em\u003e module and preserve your vehicle-specific calibration data throughout the process, the rebuilt unit is fully plug-and-play. No AMDS dealer session, no key relearn, and no additional scanning is required after installation. This is the key advantage of a rebuild over buying a new or used replacement module, which must be coded to your VIN by a dealer before the roof will operate.\u003c\/p\u003e\n\u003ch3\u003eWhat other issues can cause the Aston Martin roof to stop working?\u003c\/h3\u003e\n\u003cp\u003eSeveral common faults produce identical symptoms to CRM failure: a failed ambient temperature sensor (very cheap fix), window module calibration loss after battery replacement (free fix), corroded relays under the boot fusebox, water-damaged tonneau latch motors, hydraulic pump or hose failure, and faulty tonneau microswitches. We strongly recommend a professional body-network diagnosis before sending your module. If any of those components are at fault, they can be repaired or replaced far more cheaply than the CRM rebuild. Only send the module once those causes have been confirmed clear.\u003c\/p\u003e\n\u003ch3\u003eDo I need to send anything else with the module?\u003c\/h3\u003e\n\u003cp\u003eNo — just the module itself. Keep your connectors, mounting hardware, and bracket at the vehicle. Include your work order confirmation reference in the box so we can match it immediately on arrival.\u003c\/p\u003e\n\u003ch3\u003eMy original module has already been replaced once. Can you still rebuild it?\u003c\/h3\u003e\n\u003cp\u003eIf your current module is a replacement rather than the original factory unit, please contact us before shipping. We prefer to review your vehicle history and confirm that the replacement module’s stored calibration data is complete before proceeding. In most cases it is still rebuildable, but we verify first.\u003c\/p\u003e\n\u003ch3\u003eWhat is the turnaround time?\u003c\/h3\u003e\n\u003cp\u003e2–3 business days on the bench from the day we receive your module, plus return shipping transit time. We confirm receipt by email the day your package arrives and notify you the moment it ships back.\u003c\/p\u003e\n\u003ch3\u003eWhat warranty comes with the rebuilt module?\u003c\/h3\u003e\n\u003cp\u003eEvery rebuilt module is covered by our 6-month warranty, confirmed in writing in your work-order email thread. The warranty covers failure of the rebuild work under normal vehicle operating conditions. It does not cover damage caused by other vehicle faults such as corroded connectors, short circuits, hydraulic system failure, or water ingress into the vehicle’s electrical system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- LEGAL --\u003e\n\u003cdiv class=\"legal\"\u003e\n\u003ch4\u003eIndependent service — important notice\u003c\/h4\u003e\n\u003cp\u003eECU Maverick is an independent module repair and programming service. We are not affiliated with, endorsed by, or sponsored by Aston Martin Lagonda Limited or any other vehicle manufacturer, nor with Webasto Edscha or any other component manufacturer. All trademarks, including Aston Martin, DB9, DBS, V8 Vantage, V12 Vantage, Virage, Vanquish, Volante, Roadster, AMDS, and Gaydon, belong to their respective owners and are referenced solely for fitment identification purposes. Services are performed by ECU Maverick independently of the original equipment manufacturer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ECU Maverick","offers":[{"title":"Default Title","offer_id":48315836039409,"sku":null,"price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/8361\/0353\/files\/Aston_Martin_Convertible_Top_Roof_Control_Module_DB9_DBS_V12_V8_Rebuilding_Service.jpg?v=1781464392","url":"https:\/\/ecumaverick.com\/products\/aston-martin-convertible-roof-module-db9-dbs-v12-v8-repair-service-9g43l53085ae","provider":"ECU Maverick","version":"1.0","type":"link"}